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Consolidated Statements of Shareholders' Equity - USD ($) | Series A Cumulative Convertible Preferred Stock [Member] | Common Stock [Member] | Additional Paid-In Capital [Member] | Treasury Stock [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning at Dec. 31, 2013 | $ 1,000 | $ 393,000 | $ 121,432,000 | $ (456,000) | $ (112,799,000) | $ 631,000 | $ 9,202,000
Beginning, shares at Dec. 31, 2013 | 156,000 | 78,649,000 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | (152,000) | (152,000)
Net loss |  |  |  |  | (5,030,000) |  | (5,030,000)
Net proceeds from issuance of common stock related to public offering |  | $ 64,000 | 6,305,000 |  |  |  | 6,369,000
Net proceeds from issuance of common stock related to public offering, shares |  | 12,765,000 |  |  |  |  |
Issuance of common stock upon exercise of stock options |  | $ 1,000 | 43,000 |  |  |  | 44,000
Issuance of common stock upon exercise of stock options, shares |  | 228,000 |  |  |  |  |
Issuance of common stock upon vesting of restricted stock units |  | $ 1,000 | (34,000) |  |  |  | (33,000)
Issuance of common stock upon vesting of restricted stock units, shares |  | 119,000 |  |  |  |  |
Issuance of common stock in lieu of payment to consultant |  | $ 3,000 | 239,000 |  |  |  | $ 242,000
Issuance of common stock in lieu of payment to consultant, shares |  | 574,000 |  |  |  |  |
Issuance of stock in lieu of dividends |  |  | 16,000 |  | (16,000) |  |
Issuance of stock in lieu of dividends, shares |  | 35,000 |  |  |  |  |
Non-cash stock based compensation |  |  | 282,000 |  |  |  | $ 282,000
Balance at Dec. 31, 2014 | $ 1,000 | $ 462,000 | 128,283,000 | $ (456,000) | (117,845,000) | 479,000 | 10,924,000
Balance, shares at Dec. 31, 2014 | 156,000 | 92,370,000 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | $ (307,000) | (307,000)
Net loss |  |  |  |  | (7,226,000) |  | $ (7,226,000)
Net proceeds from issuance of common stock related to public offering, shares |  |  |  |  |  |  | 12,765,000
Issuance of common stock upon exercise of stock options |  |  |  |  |  |  | $ 1,000
Issuance of common stock upon exercise of stock options, shares |  | 20,000 |  |  |  |  |
Issuance of common stock in lieu of payment to consultant |  |  | 1,000 |  |  |  | $ 1,000
Issuance of common stock in lieu of payment to consultant, shares |  | 3,000 |  |  |  |  |
Issuance of stock in lieu of dividends |  |  | 16,000 |  | (16,000) |  |
Issuance of stock in lieu of dividends, shares |  | 46,000 |  |  |  |  |
Non-cash stock based compensation |  |  | 456,000 |  |  |  | $ 456,000
Balance at Dec. 31, 2015 | $ 1,000 | $ 462,000 | $ 128,756,000 | $ (456,000) | $ (125,087,000) | $ 172,000 | $ 3,848,000
Balance, shares at Dec. 31, 2015 | 156,000 | 92,439,000 |  |  |  |  |

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